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Finding the Fourth Proportional to 66,953, 92,399.46 and 37,145

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Solution

The fourth proportional to 66,953, 92,399.46 and 37,145 is: 51,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953 : 92,399.46 = 37,145 : x
  2. Step 2: Convert to fraction form
    66,953/92,399.46 = 37,145/x
  3. Step 3: Cross multiply
    66,953x = 92,399.46 × 37,145
  4. Step 4: Simplify right side
    66,953x = 3,432,177,941.70
  5. Step 5: Solve for x
    x = 3,432,177,941.70/66,953
  6. Step 6: Final answer
    x = 51,262.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.